題目列表(包括答案和解析)
如圖所示,一列向右傳播的簡(jiǎn)諧橫波,波速大小為0.6m/s,P質(zhì)點(diǎn)的橫坐標(biāo)x=0.96m,從圖中狀態(tài)開(kāi)始計(jì)時(shí),求:
(1)經(jīng)過(guò)多長(zhǎng)時(shí)間,P質(zhì)點(diǎn)第一次達(dá)到波谷?
(2)經(jīng)過(guò)多長(zhǎng)時(shí)間,P質(zhì)點(diǎn)第二次達(dá)到波峰?
(3)P質(zhì)點(diǎn)剛開(kāi)始振動(dòng)時(shí),振動(dòng)方向如何?
(8分)如圖所示,一列向右傳播的簡(jiǎn)諧橫波,波速大小為0.6m/s,P質(zhì)點(diǎn)的橫坐標(biāo)x=0.96m,從圖中狀態(tài)開(kāi)始計(jì)時(shí),求:
(1)經(jīng)過(guò)多長(zhǎng)時(shí)間,P質(zhì)點(diǎn)第一次達(dá)到波谷?
(2)經(jīng)過(guò)多長(zhǎng)時(shí)間,P質(zhì)點(diǎn)第二次達(dá)到波峰?
(3)P質(zhì)點(diǎn)剛開(kāi)始振動(dòng)時(shí),振動(dòng)方向如何?
如圖所示,一列向右傳播的簡(jiǎn)諧橫波,波速大小為0.6 m/s,P質(zhì)點(diǎn)的橫坐標(biāo)為x=0.96 m.從圖示時(shí)刻開(kāi)始計(jì)時(shí),求:
(1)P質(zhì)點(diǎn)剛開(kāi)始振動(dòng)時(shí)振動(dòng)方向如何?
(2)P質(zhì)點(diǎn)開(kāi)始振動(dòng)后,其振動(dòng)周期為多少?
(3)經(jīng)過(guò)多長(zhǎng)時(shí)間P質(zhì)點(diǎn)第二次到達(dá)波峰?
(8分)如圖所示,一列向右傳播的簡(jiǎn)諧橫波,波速大小為0.6m/s,P質(zhì)點(diǎn)的橫坐標(biāo)x=0.96m,從圖中狀態(tài)開(kāi)始計(jì)時(shí),求:
(1)經(jīng)過(guò)多長(zhǎng)時(shí)間,P質(zhì)點(diǎn)第一次達(dá)到波谷?
(2)經(jīng)過(guò)多長(zhǎng)時(shí)間,P質(zhì)點(diǎn)第二次達(dá)到波峰?
(3)P質(zhì)點(diǎn)剛開(kāi)始振動(dòng)時(shí),振動(dòng)方向如何?
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